# 15.4. 1.5.x Branch

- Version 1.5.1
- Version 1.5.0

Warning

Version 1.5.1 contains important security fixes. Previous 1.5.x releases are not recommended for regular usage.

## 15.4.1. Version 1.5.1

- Add the `max_count` option (UUIDs Configuration) to allow rate-limiting the amount of UUIDs that can be requested from the /_uuids handler in a single request (CVE 2014-2668).

## 15.4.2. Version 1.5.0

- COUCHDB-1781: The official documentation has been overhauled. A lot of content from other sources have been merged, and the index page has been rebuilt to make the docs much more accessible. #54813a7
- A new administration UI, codenamed Fauxton, has been included as an experimental preview. It can be accessed at `/_utils/fauxton/`. There are too many improvements here to list them all. We are looking for feedback from the community on this preview release.
- COUCHDB-1888: Fixed an issue where admin users would be restricted by the `public_fields` feature.
- Fixed an issue with the JavaScript CLI test runner. #be76882, #54813a7
- COUCHDB-1867: An experimental plugin feature has been added. See `src/couch_plugin/README.md` for details. We invite the community to test and report any findings.
- COUCHDB-1894: An experimental Node.js-based query server runtime has been added. See Experimental Features for details. We invite the community to test and report any findings.
- COUCHDB-1901: Better retry mechanism for transferring attachments during replication. #4ca2cec